From 14925b7fe3d3712829ae963635a1caabecb27d2c Mon Sep 17 00:00:00 2001
From: fake-name <cwolf@akelainc.com>
Date: Mon, 24 Jun 2019 14:11:54 -0700
Subject: [PATCH] Gah, forgot to add this.

---
 pyqtgraph/graphicsItems/PlotCurveItem.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pyqtgraph/graphicsItems/PlotCurveItem.py b/pyqtgraph/graphicsItems/PlotCurveItem.py
index 2ee4978a..e90901a0 100644
--- a/pyqtgraph/graphicsItems/PlotCurveItem.py
+++ b/pyqtgraph/graphicsItems/PlotCurveItem.py
@@ -69,7 +69,8 @@ class PlotCurveItem(GraphicsObject):
             'mouseWidth': 8, # width of shape responding to mouse click
             'compositionMode': None,
         }
-
+        if 'pen' not in kargs:
+            self.opts['pen'] = fn.mkPen('w')
         self.setClickable(kargs.get('clickable', False))
         self.setData(*args, **kargs)